join queue before updating svn2git

master.py

@@ -373,6 +373,7 @@ if __name__ == '__main__':
         while True:
             try:
                 if time.time() - update_last > 900 and q.qsize() == 0:
+                    q.join()
                     update_last = time.time()
                     update_svn2git()
                     fill_queue()